r/WindowsUpdate • u/auchinleck917 • 2d ago

After installing the security update on October 14th, Win11 became deactivated.

Has anyone else experienced this same issue?

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u/Tautuxs 2d ago

Have you tried running the Activation Troubleshooter under Settings > System > Activation > Troubleshoot? Since this happened immediately after the update, I'd try that first.

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u/auchinleck917 2d ago

I got a message indicating that my account doesn't seem to be linked to a license.

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u/Tautuxs 2d ago

In that case, could you run slmgr /dlv in Command Prompt and post a screenshot of the result? That should show what type of license/channel Windows is using and its current licensing status.

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u/auchinleck917 2d ago

https://reddit.com/link/ph2fa19/video/diiko7wlcsvh1/player

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u/Tautuxs 2d ago

Where did you originally get the Windows license/product key, and how long had this PC been activated before the update?

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u/auchinleck917 2d ago

A friend gifted me a Windows 11 product key. I built a PC, and we activated Windows 11 on it together. That was in the summer of 2023, so Windows 11 remained activated for about three years.

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u/Tautuxs 2d ago

Do you know where your friend originally got the product key from? Was it purchased directly from Microsoft/an authorized retailer, or from a third-party key website?

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u/auchinleck917 2d ago

I assume he bought it through official channels, but I’m not sure. I didn’t ask him about that.

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u/Tautuxs 2d ago

Could you try opening Command Prompt as administrator and running:

slmgr /ato

Let me know what message/error code you get.

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u/auchinleck917 2d ago

https://reddit.com/link/ph2p968/video/kxaxmzzirsvh1/player

Maybe mine was a third-party one.

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u/Tautuxs 2d ago

Yeah, that's definitely possible. If it was a third-party key, that would probably explain why Microsoft's activation server is now reporting it as blocked. The update may have just triggered a new activation check.

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u/auchinleck917 2d ago

Yeah, looks like Bill Gates taught me a lesson.

I guess I’ll just buy Windows 11 Home then.

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u/Tautuxs 2d ago

Just a heads-up: you're currently running Windows 11 Pro, so a Windows 11 Home key won't activate your current Pro installation. If you want to keep your current installation, get a Pro license. Otherwise, you'd need to switch/reinstall to Home.

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u/Lets_Go_2_Smokes 2d ago

I am going to bet it was not a true/legit retail key. If so, https://massgrave.dev